EMI Filters / EMI Suppression

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Automotive Products

Würth Elektronik offers a wide range of components designed and approved to meet automotive application standards. The automotive product offering includes EMC components, power magnetics, and RF inductors with AEC-Q200 qualifications, as well as robust SMT spacers available with IATF 16949-certified production. These automotive-focused product families from Würth Elektronik are manufactured in accordance with respective market requirements for Passive and Electromechanical components based on the reference guide of the AIAG (Automotive Industry Action Group). This manufacturing process ensures reliable product quality sufficiency to meet increasing customer requirements for automotive applications.

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Types of EMI Filters / EMI Suppression

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Part #

Common Mode Chokes / Filters WE-CNSW 1812 450mA 11uH 100kHz AECQ200

744235110
Wurth Elektronik
1: $2.76
3,550In Stock
2,500Expected 2026-03-13

Mfr. Part #
744235110

Mouser Part #
710-744235110

Wurth Elektronik

Common Mode Chokes / Filters WE-CNSW 1812 450mA 11uH 100kHz AECQ200

Learn More

Datasheet

3,550In Stock

2,500Expected 2026-03-13

Cut Tape

$2.76

$2.64

$2.46

$2.29

$2.20

Reel

$1.84

MouseReel Available

Min.: 1
Mult.: 1

Reel: 500

Common Mode Chokes

Common Mode Line Filters

- 40 C

+ 125 C

AEC-Q200

Reel, Cut Tape, MouseReel

Common Mode Chokes / Filters WE-CNSW 250uH 200mA 10K kOhms AECQ200

744235251
Wurth Elektronik
1: $2.32
10,076In Stock

Mfr. Part #
744235251

Mouser Part #
710-744235251

Wurth Elektronik

Common Mode Chokes / Filters WE-CNSW 250uH 200mA 10K kOhms AECQ200

Learn More

Datasheet

10,076In Stock

Cut Tape

$2.32

$2.16

$2.06

$1.96

$1.87

Reel

$1.67

MouseReel Available

Min.: 1
Mult.: 1

Reel: 500

Common Mode Chokes

- 40 C

+ 125 C

AEC-Q200

Reel, Cut Tape, MouseReel

Common Mode Chokes / Filters WE-CNSW CMC 1Ohms 51uH 200mA AECQ200

744235510
Wurth Elektronik
1: $2.76
3,913In Stock
6,000On Order

Mfr. Part #
744235510

Mouser Part #
710-744235510

Wurth Elektronik

Common Mode Chokes / Filters WE-CNSW CMC 1Ohms 51uH 200mA AECQ200

Learn More

Datasheet

3,913In Stock

6,000On Order

Cut Tape

$2.76

$2.64

$2.46

$2.29

$2.20

Reel

$1.84

MouseReel Available

Min.: 1
Mult.: 1

Reel: 500

Common Mode Chokes

Common Mode Line Filters

- 40 C

+ 125 C

AEC-Q200

Reel, Cut Tape, MouseReel

Common Mode Chokes / Filters WE-CNSW 1812 1200mA 1uH 100kHz AECQ200

744235601
Wurth Elektronik
1: $2.76
11,527In Stock
19,437On Order

Mfr. Part #
744235601

Mouser Part #
710-744235601

Wurth Elektronik

Common Mode Chokes / Filters WE-CNSW 1812 1200mA 1uH 100kHz AECQ200

Learn More

Datasheet

11,527In Stock

19,437On Order

Cut Tape

$2.76

$2.64

$2.46

$2.29

$2.20

Reel

$1.84

MouseReel Available

Min.: 1
Mult.: 1

Reel: 500

Common Mode Chokes

- 40 C

+ 125 C

AEC-Q200

Reel, Cut Tape, MouseReel

Common Mode Chokes / Filters WE-CNSW 1812 1000mA 1.3uH 100kHz AECQ200

744235801
Wurth Elektronik
1: $2.76
4,121In Stock
3,500Expected 2026-04-10

Mfr. Part #
744235801

Mouser Part #
710-744235801

Wurth Elektronik

Common Mode Chokes / Filters WE-CNSW 1812 1000mA 1.3uH 100kHz AECQ200

Learn More

Datasheet

4,121In Stock

3,500Expected 2026-04-10

Cut Tape

$2.76

$2.73

$2.46

$2.38

$2.20

Reel

$2.03

MouseReel Available

Min.: 1
Mult.: 1

Reel: 500

Common Mode Chokes

Common Mode Line Filters

- 40 C

+ 125 C

AEC-Q200

Reel, Cut Tape, MouseReel

Ferrite Cable Cores WE-AEFA AEC-Q200 460Ohm Ferrite Core

782013076508
Wurth Elektronik
1: $9.58
789In Stock
420Expected 2026-03-13

Mfr. Part #
782013076508

Mouser Part #
710-782013076508

Wurth Elektronik

Ferrite Cable Cores WE-AEFA AEC-Q200 460Ohm Ferrite Core

Learn More

Datasheet

789In Stock

420Expected 2026-03-13

$9.58

$9.44

$8.78

$8.46

Min.: 1
Mult.: 1

Ferrite Cable Cores

Round Cable Cores Solid

Round

- 55 C

+ 150 C

AEC-Q200

Tray

Ferrite Beads WE-CBA 10 Ohms 650mA 0.0554Ohms AEC-Q200

782219100
Wurth Elektronik
1: $0.368
14,751In Stock

Mfr. Part #
782219100

Mouser Part #
710-782219100

Wurth Elektronik

Ferrite Beads WE-CBA 10 Ohms 650mA 0.0554Ohms AEC-Q200

Learn More

Datasheet

14,751In Stock

Cut Tape

$0.368

$0.342

$0.309

$0.284

View

Reel

$0.209

MouseReel Available

Min.: 1
Mult.: 1

Reel: 15,000

Ferrite Beads

- 55 C

+ 125 C

- 55 C to + 125 C

AEC-Q200

Reel, Cut Tape, MouseReel

Ferrite Beads WE-CBA 300Ohms 400mA 0.61Ohms AEC-Q200

782219301
Wurth Elektronik
1: $0.368
13,550In Stock

Mfr. Part #
782219301

Mouser Part #
710-782219301

Wurth Elektronik

Ferrite Beads WE-CBA 300Ohms 400mA 0.61Ohms AEC-Q200

Learn More

Datasheet

13,550In Stock

Cut Tape

$0.368

$0.342

$0.309

$0.284

View

Reel

$0.209

MouseReel Available

Min.: 1
Mult.: 1

Reel: 15,000

Ferrite Beads

- 55 C

+ 125 C

- 55 C to + 125 C

AEC-Q200

Reel, Cut Tape, MouseReel

Common Mode Chokes / Filters WE-CNSW 0805 370mA 90Ohm 100MHz AECQ200

744231091
Wurth Elektronik
1: $1.73
22,926In Stock
28,000On Order

Mfr. Part #
744231091

Mouser Part #
710-744231091

Wurth Elektronik

Common Mode Chokes / Filters WE-CNSW 0805 370mA 90Ohm 100MHz AECQ200

Learn More

Datasheet

22,926In Stock

28,000On Order

Cut Tape

$1.73

$1.64

$1.54

$1.46

View

Reel

$1.15

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,000

Common Mode Chokes

Common Mode Line Filters

- 40 C

+ 125 C

AEC-Q200

Reel, Cut Tape, MouseReel

Common Mode Chokes / Filters WE-CNSW 1206 230mA 1000Ohm 100MHz AECQ2

744232102
Wurth Elektronik
1: $2.01
5,436In Stock

Mfr. Part #
744232102

Mouser Part #
710-744232102

Wurth Elektronik

Common Mode Chokes / Filters WE-CNSW 1206 230mA 1000Ohm 100MHz AECQ2

Learn More

Datasheet

5,436In Stock

Cut Tape

$2.01

$1.92

$1.80

$1.70

View

Reel

$1.35

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,000

Common Mode Chokes

Common Mode Line Filters

- 40 C

+ 125 C

AEC-Q200

Reel, Cut Tape, MouseReel

Common Mode Chokes / Filters WE-CNSW 1206 260mA 600Ohm 100MHz AECQ2

744232601
Wurth Elektronik
1: $2.01
4,320In Stock
4,000Expected 2026-03-13

Mfr. Part #
744232601

Mouser Part #
710-744232601

Wurth Elektronik

Common Mode Chokes / Filters WE-CNSW 1206 260mA 600Ohm 100MHz AECQ2

Learn More

Datasheet

4,320In Stock

4,000Expected 2026-03-13

Cut Tape

$2.01

$1.92

$1.80

$1.70

View

Reel

$1.35

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,000

Common Mode Chokes

Common Mode Line Filters

- 40 C

+ 125 C

AEC-Q200

Reel, Cut Tape, MouseReel

Common Mode Chokes / Filters WE-CNSW 0603 400mA 180Ohm 100MHz AECQ2

744230181
Wurth Elektronik
1: $2.01
1,954In Stock

Mfr. Part #
744230181

Mouser Part #
710-744230181

Wurth Elektronik

Common Mode Chokes / Filters WE-CNSW 0603 400mA 180Ohm 100MHz AECQ2

Learn More

Datasheet

1,954In Stock

Cut Tape

$2.01

$1.92

$1.80

$1.70

View

Reel

$1.35

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,000

Common Mode Chokes

Common Mode Line Filters

- 40 C

+ 105 C

AEC-Q200

Reel, Cut Tape, MouseReel

Common Mode Chokes / Filters WE-CNSW 0603 800mA 22Ohm 100MHz AECQ200

744230220
Wurth Elektronik
1: $2.01
497In Stock
4,000On Order

Mfr. Part #
744230220

Mouser Part #
710-744230220

Wurth Elektronik

Common Mode Chokes / Filters WE-CNSW 0603 800mA 22Ohm 100MHz AECQ200

Learn More

Datasheet

497In Stock

4,000On Order

Cut Tape

$2.01

$1.92

$1.80

$1.70

View

Reel

$1.35

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,000

Common Mode Chokes

- 40 C

+ 105 C

AEC-Q200

Reel, Cut Tape, MouseReel

Common Mode Chokes / Filters WE-CNSW 0603 650mA 45Ohm 100MHz AECQ200

744230450
Wurth Elektronik
1: $1.35
2,068In Stock

Mfr. Part #
744230450

Mouser Part #
710-744230450

Wurth Elektronik

Common Mode Chokes / Filters WE-CNSW 0603 650mA 45Ohm 100MHz AECQ200

Learn More

Datasheet

2,068In Stock

Cut Tape

$1.35

$1.30

$1.29

$1.24

View

Reel

$0.637

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,000

Common Mode Chokes

- 40 C

+ 105 C

AEC-Q200

Reel, Cut Tape, MouseReel

Common Mode Chokes / Filters WE-CNSW 0805 400mA 67Ohm 100MHz AECQ200

744231061
Wurth Elektronik
1: $1.73
2,420In Stock

Mfr. Part #
744231061

Mouser Part #
710-744231061

Wurth Elektronik

Common Mode Chokes / Filters WE-CNSW 0805 400mA 67Ohm 100MHz AECQ200

Learn More

Datasheet

2,420In Stock

Cut Tape

$1.73

$1.64

$1.54

$1.46

View

Reel

$1.15

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,000

Common Mode Chokes

Common Mode Line Filters

- 40 C

+ 125 C

AEC-Q200

Reel, Cut Tape, MouseReel

Common Mode Chokes / Filters WE-CNSW 0805 330mA 180Ohm 100MHz AECQ2

744231181
Wurth Elektronik
1: $1.73
2,057In Stock

Mfr. Part #
744231181

Mouser Part #
710-744231181

Wurth Elektronik

Common Mode Chokes / Filters WE-CNSW 0805 330mA 180Ohm 100MHz AECQ2

Learn More

Datasheet

2,057In Stock

Cut Tape

$1.73

$1.64

$1.54

$1.46

View

Reel

$1.15

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,000

Common Mode Chokes

- 40 C

+ 125 C

AEC-Q200

Reel, Cut Tape, MouseReel

Common Mode Chokes / Filters WE-CNSW 0805 300mA 260Ohm 100MHz AECQ2

744231261
Wurth Elektronik
1: $1.73
1,566In Stock
2,000Expected 2026-04-03

Mfr. Part #
744231261

Mouser Part #
710-744231261

Wurth Elektronik

Common Mode Chokes / Filters WE-CNSW 0805 300mA 260Ohm 100MHz AECQ2

Learn More

Datasheet

1,566In Stock

2,000Expected 2026-04-03

Cut Tape

$1.73

$1.64

$1.54

$1.46

View

Reel

$1.15

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,000

Common Mode Chokes

- 40 C

+ 125 C

AEC-Q200

Reel, Cut Tape, MouseReel

Common Mode Chokes / Filters WE-CNSW 1206 310mA 260Ohm 100MHz AECQ2

744232261
Wurth Elektronik
1: $2.01
2,658In Stock

Mfr. Part #
744232261

Mouser Part #
710-744232261

Wurth Elektronik

Common Mode Chokes / Filters WE-CNSW 1206 310mA 260Ohm 100MHz AECQ2

Learn More

Datasheet

2,658In Stock

Cut Tape

$2.01

$1.92

$1.80

$1.70

View

Reel

$1.35

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,000

Common Mode Chokes

Common Mode Line Filters

- 40 C

+ 125 C

AEC-Q200

Reel, Cut Tape, MouseReel

Common Mode Chokes / Filters WE-CNSW 0504 600mA 60Ohm 100 MHz AECQ2

7442335600
Wurth Elektronik
1: $2.62
1,555In Stock
19,890On Order

Mfr. Part #
7442335600

Mouser Part #
710-7442335600

Wurth Elektronik

Common Mode Chokes / Filters WE-CNSW 0504 600mA 60Ohm 100 MHz AECQ2

Learn More

Datasheet

1,555In Stock

19,890On Order

Cut Tape

$2.62

$2.44

$2.21

$2.01

Reel

$1.50

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

Common Mode Chokes

Common Mode Line Filters

- 40 C

+ 125 C

AEC-Q200

Reel, Cut Tape, MouseReel

Common Mode Chokes / Filters WE-CNSW CMC 2Ohms 100uH 150mA AECQ200

744235101
Wurth Elektronik
1: $2.76
1,508In Stock
1,000Expected 2026-05-08

Mfr. Part #
744235101

Mouser Part #
710-744235101

Wurth Elektronik

Common Mode Chokes / Filters WE-CNSW CMC 2Ohms 100uH 150mA AECQ200

Learn More

Datasheet

1,508In Stock

1,000Expected 2026-05-08

Cut Tape

$2.76

$2.64

$2.46

$2.29

$2.20

Reel

$1.84

MouseReel Available

Min.: 1
Mult.: 1

Reel: 500

Common Mode Chokes

- 40 C

+ 125 C

AEC-Q200

Reel, Cut Tape, MouseReel

Common Mode Chokes / Filters WE-CNSW 1812 250mA 22uH 100kHz AECQ200

744235220
Wurth Elektronik
1: $2.76
747In Stock
500Expected 2026-03-13

Mfr. Part #
744235220

Mouser Part #
710-744235220

Wurth Elektronik

Common Mode Chokes / Filters WE-CNSW 1812 250mA 22uH 100kHz AECQ200

Learn More

Datasheet

747In Stock

500Expected 2026-03-13

Cut Tape

$2.76

$2.64

$2.46

$2.29

$2.20

Reel

$1.84

MouseReel Available

Min.: 1
Mult.: 1

Reel: 500

Common Mode Chokes

- 40 C

+ 125 C

AEC-Q200

Reel, Cut Tape, MouseReel

Common Mode Chokes / Filters WE-CNSW 1812 2000mA 0.3uH 100kHz AECQ200

744235900
Wurth Elektronik
1: $2.76
1,714In Stock
1,400Expected 2026-03-13

Mfr. Part #
744235900

Mouser Part #
710-744235900

Wurth Elektronik

Common Mode Chokes / Filters WE-CNSW 1812 2000mA 0.3uH 100kHz AECQ200

Learn More

Datasheet

1,714In Stock

1,400Expected 2026-03-13

Cut Tape

$2.76

$2.64

$2.46

$2.29

$2.20

Reel

$1.84

MouseReel Available

Min.: 1
Mult.: 1

Reel: 500

Common Mode Chokes

- 40 C

+ 125 C

AEC-Q200

Reel, Cut Tape, MouseReel

EMI Kits WE-AEFA Design Kit Axial Suppression

782013
Wurth Elektronik
1: $229.36
3In Stock

Mfr. Part #
782013

Mouser Part #
710-782013

Wurth Elektronik

EMI Kits WE-AEFA Design Kit Axial Suppression

Learn More

Datasheet

3In Stock

$229.36

Min.: 1
Mult.: 1

EMI Kits

Ferrite Cores

AEC-Q200

Bulk

Ferrite Cable Cores WE-AEFA AEC-Q200 370Ohm Ferrite Core

782013057450
Wurth Elektronik
1: $7.75
278In Stock
180Expected 2026-03-13

Mfr. Part #
782013057450

Mouser Part #
710-782013057450

Wurth Elektronik

Ferrite Cable Cores WE-AEFA AEC-Q200 370Ohm Ferrite Core

Learn More

Datasheet

278In Stock

180Expected 2026-03-13

$7.75

$7.40

$6.92

$6.46

Min.: 1
Mult.: 1

Ferrite Cable Cores

Round Cable Cores Solid

Round

- 55 C

+ 150 C

AEC-Q200

Tray

Ferrite Cable Cores WE-AEFA AEC-Q200 270Ohm Ferrite Core

782013069285
Wurth Elektronik
1: $9.32
256In Stock

Mfr. Part #
782013069285

Mouser Part #
710-782013069285

Wurth Elektronik

Ferrite Cable Cores WE-AEFA AEC-Q200 270Ohm Ferrite Core

Learn More

Datasheet

256In Stock

$9.32

$8.98

$8.76

$8.40

Min.: 1
Mult.: 1

Ferrite Cable Cores

Round Cable Cores Solid

Round

- 55 C

+ 150 C

AEC-Q200

Tray

Automotive Products

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